- a seed vessel that opens transversely, the top part acting as a lid, as in the purslane.
Origin of pyxidium
1825–35; < New Latin < Greek pyxídion a little box, equivalent to pyxid- (stem of pyxís) a box + -ion diminutive noun suffix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for pyxidium
Pyxis, Pyxidium, a pod opening round horizontally by a lid, 124.The Elements of Botany
- the dry fruit of such plants as the plantain: a capsule whose upper part falls off when mature so that the seeds are released
C19: via New Latin from Greek puxidion a little box, from puxis box, pyx